All-in-One Tools Collection
A broad collection of online tools for development, AI, design, and productivity tasks.
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NSFW Image Content Detector
AI-powered image content safety detector using NSFWJS to classify potentially inappropriate content with fallback analysis, supporting GIF/Animated WebP/APNG and JPEG/PNG/WEBP.
Scientific Notation Calculator
Add, subtract, multiply, and divide values written in scientific notation, then return standard, scientific, and engineering forms
Ratio Calculator
Simplify ratios, calculate ratio shares, and convert between ratio, fraction, and decimal forms
Proportion Calculator
Solve proportion equations of the form a/b = c/d and calculate the missing term
Scientific Notation Converter
Convert numbers between standard decimal format and scientific notation, with optional engineering notation output
Tagged PDF Inspector
Compare StructTree-enabled and plain PDF extraction to see whether a document behaves like a tagged PDF and how much semantic structure it exposes
PDF Header/Footer Noise Remover
Compare extraction with and without repeated page furniture to spot header/footer noise before using PDF text in RAG, summarization, or editing workflows
PDF to Clean Text for LLM
Extract clean text from PDFs with OpenDataLoader for summarization, translation, embedding, and other LLM workflows
PDF to JSON Structure Explorer
Extract structured OpenDataLoader JSON from a PDF and browse headings, paragraphs, tables, lists, pages, and bounding boxes in an explorer view
PDF Table Extractor to CSV/JSON
Extract tables from PDFs with OpenDataLoader and export them as structured JSON, flat CSV, or HTML tables
PDF to Structured Markdown Converter
Convert PDFs into structured Markdown using OpenDataLoader with options for HTML-rich output, images, page separators, and tagged-PDF structure
PDF Prompt Injection Scanner
Compare safe and unsafe PDF extraction runs to detect hidden text, off-page content, tiny text, and hidden-layer prompt injection risks